either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
equinox
How to use equinox in a sentence. Example sentences and definitions for equinox.
Editorial note
It's only the spring equinox on your half of the planet!
Quick take
either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
Meaning at a glance
The clearest senses and uses of equinox gathered in one view.
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
Definitions
Core meanings and parts of speech for equinox.
noun
either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
noun
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
Example sentences
It's only the spring equinox on your half of the planet!
Bonus points if it's an equinox, or your country's Maximum Leader's birthday.
These ancient structures typically have alignments towards sunrise and sunset at the equinox or solstice.
Near the equinoxes, the Sun's apparent path is more oblique, so some of its apparent velocity occurs in the north-south direction leaving its apparent east-west motion slower.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use equinox in a sentence?
It's only the spring equinox on your half of the planet!
What does equinox mean?
either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
What part of speech is equinox?
equinox is commonly used as noun.